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1 <br />Zoning File 1852 <br />July 9, 1985 <br />Page 2 <br />or ‘hat outlines the issues <br />We hale no oorf® addressed in each lane alteration ap.mication. <br />A° performance standards to offer except for the Nutrient <br />Quality Analysis (Exhibit I) submitted by the applicant's engineer <br />^^Exhibi? Th Watershed DistrictM.C.W.D. has suggested that we consider the use of <br />Review ofmatters of water quality are in question. In <br />review of that analysis, it would appear there will be no chance in <br />with^fho^ proposal that were never addressedWith the original application information. <br />decorative pond (80* x 80') will be constructed <br />the^OHM approximately 3/4 of an acre in area below <br />1C / i" K at 929.4. The southern portion of the pond <br />® conservation and flowage easement. The pond will be <br />^ acres which currently flows into Lake <br />- Pvh< ^ culvert under County Road 15 (see grading plan <br />Exhibit K), A proposed outlet channel will allow vegetation to <br />wfflnfr*®l“®U:'’ ^ flowinrintTtSearnw/h^ Pond. The pond will be aerated by a fountain to reduce algae <br />maintain good water quality. Berming must be done between <br />innnfrVi along County Road 15 so that drainage no <br />longer flows through southern culvert but into channel - wildlife pond <br />through skimmer and northern culvert to Lake Minnetonka. 3000 cubic <br />arL^ a°nH altered. 1800 cubic yards excavated for pond <br />c^^L,- . lu altered in reshaping the uplandslopers to the west and berming along County Road 15. <br />The wildlife pond involves the alteration of 1.3 acres of a 2.6 <br />alteration involved the removal of 5,500 <br />trucked off the site for disposal. The <br />remain- P^^dominatly a type 3 or cattail - sedge wetlands and the <br />^ ^ shrub swamp. Artifical pond or open <br />^ being the most efficient nutrient trap or <br />anrjir\r.77 effective. Both Dr. Hanson <br />on w.?!i Office claim no significant impact <br />finr^in quality. Hansor. prefers open water areas as nutrient traps <br />eiCer tVlollln7“ wetland releasing as many nutrients Ss <br />rivr.,,sides of the wildlife pond nearest the outlet have 7:1 slopes <br />water area and a better habitat for emergent <br />g ation. This fringe vegetation area will provide a natural buffer <br />ly 50 feet in width between the open water areas <br />ptrin vegetation buffer will also serve as a filterstrip for runoff from formal pond. nicer